The photoelectrical technique is adopted, with a precision grating rule as a measurer for X-and Y-axle  as a measurer,  with readings direct-viewing and testing convenient;
With multiple eyepieces and objectives, the main microscope has a large scope of view fieldwith clear image formation;
The main microscope can oscillate left and right, suitable for the measurement for spiralparts;
LED-luminotron lighting is adopted for transmission and indirect lighting, with low heatingpower and long life;
High-speed and micro-motion devices are adopted; which can be switched over quickly;The tailstock rack is installed to measure the axel-type parts;
Multiple accessories are provided, with extensive uses.

This instrument can accurately measure sizes, angles, forms and positions of variousworkpieces and varied parameters of the screw-thread manufactured pieces. It is widely usedn the measurement and checking services in the sectors of machinery, instrumentation, dieequipment manufacturing, instrument and metering, military industry, aviation and aerospaceindustry and automobile manufacturing, electronics, plastics and rubber, etc. and incolleges and universities, research institutes, etc. This instrument, with multipleaccessories of optical locator, tailstock rack, double-image eyepieces, template eyepieces,etc., can be used for the quality detection and control for machinery parts, measuring tool,pattern die, electronic elements, circuit board, presswork, plastic and rubber products,etc.

Worktable
Measuring stroke of the coordinate (mm):  X-coordinate: 150   Y-coordinate: 75
Measuring resolution ratio of X- and Y-coordinate:  0.001mm
Accuracy of the instrument: (2+L/50)μm, of which, L = measured length ( unit: mm)
Diameter of the circular worktable (mm):  Φ190（glass）  Φ280（metal）
Angular calibrated range of the circular worktable:  0°~ 360°
Measured-angle resolution ratio of the circular worktable:  3′
Microscope upright column
Sloping scope:  ±12°
Calibrated value of the slope angle:  30′
Goniometric eyepiece
Angular calibrated range:  0°~ 360°
Angular calibrated value:  1′
Template eyepiece
Calibrated range of the template eyepiece:  ±7°
Angular calibrated value of the template eyepiece:  10′
Optical detector
Minimum detective hole diameter of the optical detector:  Φ5mm
Maximum detective depth of the optical detector:  15mm
Measuring power  0.1N
Tailstock rack
Maximum clamping diameter:  Φ70mm
Maximum clamping length:  190mm
Objectives:  

Maximum bearing workpiece weight by the instrument:  20kg
Overall sizes of the instrument mainframe (mm):   720×460×600
Mainframe weight:  100 kg